Conservation of Matter

Front

What is the definition of matter?

Back

Matter is anything that has weight and takes up space.

Front

What happens to the wax of a burning candle?

Back

The wax burns and releases gases into the air.

Front

What is the process called when a solid turns into a gas without becoming a liquid?

Back

Sublimation.

Front

What is the law of conservation of matter?

Back

The law states that matter cannot be created or destroyed in a closed system.

Front

If you weigh a sealed air bag before and after it inflates, what will happen to the weight?

Back

The weight will stay the same.

Front

What happens to dry ice when it sits on a scale?

Back

The weight goes down as it turns into a gas.

Front

What is the term for the change of state from gas to liquid?

Back

Condensation.

Front

What is the term for the change of state from liquid to gas?

Back

Evaporation.

Front

How does the conservation of matter apply to chemical reactions?

Back

In a chemical reaction, the total mass of the reactants equals the total mass of the products.

Front

What is an example of a physical change?

Back

Melting ice.